Lifetimes rhymes with:
lifetime's, lifetime's, halftimes, lifetime's, anytime's, centimes, daytimes, halftimes, lifetime's, maritimes, nighttimes, oftentimes, pastimes, showtime's, wartimes
Lifetimes sounds like:
leftwing, leptonic, levitating, levittown's, lifetime's, lifting, lipton's, lufthansa, lufthansa's